AD7864BS-1

12-bit A/D converter, QFP, –0.3 V to +7 V, 450 mW, AD7864BS-1, Analog Devices

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Price:: US $17.50~21.50 / piece [Get Latest Price]

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	US $17.50~21.50

PartNumber:: AD7864BS-1

Brand:: Analog Devices - ADI | Pack: QFP | D/C: 11+

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Products Upload time: 2012-08-31

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Part Number:AD7864BS-1
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Product Summary

The AD7864BS-1 is a high speed, low power, 4-channel simultaneous sampling 12-bit A/D converter that operates from a single +5 V supply. The part contains a 1.65 ms successive approximation ADC, four track/hold amplifiers, 2.5 V reference, on-chip clock oscillator, signal conditioning circuitry and a high speed parallel interface. The input signals on four channels are sampled simultaneously, thus preserving the relative phase information of the signals on the four analog inputs. The AD7864BS-1 accepts analog input ranges of ±10 V, ±5 V (AD7864-1), 0 V to 2.5 V, 0 V to 5 V for AD7864ASZ-1.

Parametrics

AD7864BS-1 absolute maximum ratings: (1)VDD to AGND: –0.3 V to +7 V; (2)VDD to DGND: –0.3 V to +7 V; (3)Analog Input Voltage to AGND: –1 V to +20 V; (4)Reference Input Voltage to AGND: –0.3 V to VDD + 0.3 V; (5)Digital Input Voltage to DGND: –0.3 V to VDD + 0.3 V; (6)Digital Output Voltage to DGND: –0.3 V to VDD + 0.3 V; (7)Operating Temperature Range: Commercial (A, B Version): –40℃ to +85℃; (8)Storage Temperature Range: –65℃ to +150℃; (9)Junction Temperature: +150℃; (10)MQFP Package, Power Dissipation: 450 mW.

Features

AD7864BS-1 features: (1)High Speed (1.65êms) 12-Bit ADC; (2)Four Simultaneously Sampled Inputs; (3)Four Track/Hold Amplifiers; (4)0.35êms Track/Hold Acquisition Time; (5)1.65 ms Conversion Time per Channel; (6)HW/SW Select of Channel Sequence for Conversion; (7)Single Supply Operation; (8)Selection of Input Ranges: ±10 V, 65 V for AD7864-1, ±2.5 V for AD7864-3, 0 V to 2.5 V, 0 V to 5 V for AD7864-2; (9)High Speed Parallel Interface Which Also Allows Interfacing to 3 V Processors; (10)Low Power, 90 mW Typ; (11)Power Saving Mode, 20μmW Typ; (12)Overvoltage Protection on Analog Inputs.